End-to-end Encryption ensures that data is turned into a secret message by the original sender (Alice), and decrypted only by its final recipient (Bob). This implies Surveillance by Eve can NOT perform Decryption, including Wi-Fi cafe snoops, Law Enforcement Agency, your Internet Service Providers, Proxy Servers, and even the website or app you are using. End-to-end Encryption is considered more secure than Transport Layer Security (TLS)